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Cosmetical changes in network code, updated TCP timer code.

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git-svn-id: svn://kolibrios.org@6011 a494cfbc-eb01-0410-851d-a64ba20cac60
This commit is contained in:
hidnplayr
2015-12-27 15:37:31 +00:00
parent 116d2c8d6a
commit c81c3fbd4f
18 changed files with 1061 additions and 1086 deletions
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253
kernel/trunk/network/stack.inc
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@@ -163,8 +163,8 @@ NET_HWACC_TCP_IPv4_IN = 1 shl 0
NET_HWACC_TCP_IPv4_OUT = 1 shl 1
; Network frame types
NET_BUFF_LOOPBACK = 0
NET_BUFF_ETH = 1
NET_BUFF_LOOPBACK = 0
NET_BUFF_ETH = 1
struct NET_DEVICE
@@ -258,16 +258,14 @@ align 4
endg
;-----------------------------------------------------------------
;
; stack_init
;
; This function calls all network init procedures
;
; IN: /
; OUT: /
;
;-----------------------------------------------------------------
;-----------------------------------------------------------------;
; ;
; stack_init: Initialize all network variables ;
; ;
; IN: / ;
; OUT: / ;
; ;
;-----------------------------------------------------------------;
align 4
stack_init:
@@ -294,21 +292,21 @@ stack_init:
mov ecx, (NET_DEVICES_MAX + 1)
rep stosd
ETH_init
eth_init
PPPoE_init
pppoe_init
IPv4_init
; IPv6_init
ICMP_init
ipv4_init
; ipv6_init
icmp_init
ARP_init
UDP_init
TCP_init
arp_init
udp_init
tcp_init
SOCKET_init
socket_init
LOOP_init
loop_init
mov [net_tmr_count], 0
ret
@@ -329,16 +327,14 @@ proc stack_handler_has_work?
endp
;-----------------------------------------------------------------
;
; stack_handler
;
; This function is called in kernel loop
;
; IN: /
; OUT: /
;
;-----------------------------------------------------------------
;-----------------------------------------------------------------;
; ;
; stack_handler: Network handlers called from os_loop. ;
; ;
; IN: / ;
; OUT: / ;
; ;
;-----------------------------------------------------------------;
align 4
stack_handler:
@@ -354,13 +350,13 @@ stack_handler:
test [net_10ms], 0x0f ; 160ms
jnz .exit
TCP_timer_160ms
tcp_timer_160ms
test [net_10ms], 0x3f ; 640ms
jnz .exit
ARP_decrease_entry_ttls
IPv4_decrease_fragment_ttls
arp_decrease_entry_ttls
ipv4_decrease_fragment_ttls
xor edx, edx
mov eax, [TCP_timer1_event]
@@ -373,7 +369,8 @@ stack_handler:
align 4
proc NET_BUFF_alloc stdcall, buffersize
proc net_buff_alloc stdcall, buffersize
cmp [buffersize], NET_BUFFER_SIZE
ja .too_large
@@ -387,27 +384,27 @@ proc NET_BUFF_alloc stdcall, buffersize
spin_unlock_irqrestore
DEBUGF DEBUG_NETWORK_VERBOSE, "net alloc: 0x%x\n", eax
DEBUGF DEBUG_NETWORK_VERBOSE, "net_buff_alloc: 0x%x\n", eax
ret
.out_of_mem:
spin_unlock_irqrestore
xor eax, eax
DEBUGF DEBUG_NETWORK_ERROR, "NET_BUFF_alloc: out of mem!\n"
DEBUGF DEBUG_NETWORK_ERROR, "net_buff_alloc: out of mem!\n"
ret
.too_large:
xor eax, eax
DEBUGF DEBUG_NETWORK_ERROR, "NET_BUFF_alloc: too large!\n"
DEBUGF DEBUG_NETWORK_ERROR, "net_buff_alloc: too large!\n"
ret
endp
align 4
proc NET_BUFF_free stdcall, buffer
proc net_buff_free stdcall, buffer
DEBUGF DEBUG_NETWORK_VERBOSE, "net free: 0x%x\n", [buffer]
DEBUGF DEBUG_NETWORK_VERBOSE, "net_buff_free: 0x%x\n", [buffer]
spin_lock_irqsave
@@ -423,14 +420,14 @@ endp
align 4
NET_link_changed:
net_link_changed:
DEBUGF DEBUG_NETWORK_VERBOSE, "NET_link_changed device=0x%x status=0x%x\n", ebx, [ebx + NET_DEVICE.link_state]
DEBUGF DEBUG_NETWORK_VERBOSE, "net_link_changed device=0x%x status=0x%x\n", ebx, [ebx + NET_DEVICE.link_state]
align 4
NET_send_event:
net_send_event:
DEBUGF DEBUG_NETWORK_VERBOSE, "NET_send_event\n"
DEBUGF DEBUG_NETWORK_VERBOSE, "net_send_event\n"
; Send event to all applications
push edi ecx
@@ -446,21 +443,20 @@ NET_send_event:
;-----------------------------------------------------------------
;
; NET_add_device:
;
; This function is called by the network drivers,
; to register each running NIC to the kernel
;
; IN: Pointer to device structure in ebx
; OUT: Device num in eax, -1 on error
;
;-----------------------------------------------------------------
;-----------------------------------------------------------------;
; ;
; net_add_device: Called by network driver to register interface. ;
; ;
; IN: ebx = ptr to device structure ;
; ;
; OUT: eax = device num on success ;
; eax = -1 on error ;
; ;
;-----------------------------------------------------------------;
align 4
NET_add_device:
net_add_device:
DEBUGF DEBUG_NETWORK_VERBOSE, "NET_Add_Device: %x\n", ebx ;;; TODO: use mutex to lock net device list
DEBUGF DEBUG_NETWORK_VERBOSE, "net_add_device: %x\n", ebx ;;; TODO: use mutex to lock net device list
cmp [NET_RUNNING], NET_DEVICES_MAX
jae .error
@@ -495,7 +491,7 @@ NET_add_device:
inc [NET_RUNNING] ; Indicate that one more network device is up and running
call NET_send_event
call net_send_event
DEBUGF DEBUG_NETWORK_VERBOSE, "Device number: %u\n", eax
ret
@@ -507,19 +503,17 @@ NET_add_device:
;-----------------------------------------------------------------
;
; NET_Remove_Device:
;
; This function is called by network drivers,
; to unregister network devices from the kernel
;
; IN: Pointer to device structure in ebx
; OUT: eax: -1 on error
;
;-----------------------------------------------------------------
;-----------------------------------------------------------------;
; ;
; net_remove_device: Called by network driver to unregister dev. ;
; ;
; IN: ebx = ptr to device ;
; ;
; OUT: eax: -1 on error ;
; ;
;-----------------------------------------------------------------;
align 4
NET_remove_device:
net_remove_device:
cmp [NET_RUNNING], 0
je .error
@@ -541,7 +535,7 @@ NET_remove_device:
mov dword [edi-4], eax
dec [NET_RUNNING]
call NET_send_event
call net_send_event
xor eax, eax
ret
@@ -552,25 +546,27 @@ NET_remove_device:
;-----------------------------------------------------------------
;
; NET_ptr_to_num
;
; IN: ebx = ptr to device struct
; OUT: edi = -1 on error, device number otherwise
;
;-----------------------------------------------------------------
;-----------------------------------------------------------------;
; ;
; net_ptr_to_num ;
; ;
; IN: ebx = ptr to device struct ;
; ;
; OUT: edi = device number ;
; edi = -1 on error ;
; ;
;-----------------------------------------------------------------;
align 4
NET_ptr_to_num:
net_ptr_to_num:
call NET_ptr_to_num4
call net_ptr_to_num4
ror edi, 2 ; If -1, stay -1
; valid device numbers have last two bits 0, so do just shr
ret
align 4
NET_ptr_to_num4: ; Todo, place number in device structure so we only need to verify?
net_ptr_to_num4: ; Todo, place number in device structure so we only need to verify?
test ebx, ebx
jz .fail
@@ -595,21 +591,17 @@ NET_ptr_to_num4: ; Todo, place number in device structure so we o
pop ecx
ret
;-----------------------------------------------------------------
;
; checksum_1
;
; This is the first of two functions needed to calculate a checksum.
;
; IN: edx = start offset for semi-checksum
; esi = pointer to data
; ecx = data size
; OUT: edx = semi-checksum
;
;
; Code was optimized by diamond
;
;-----------------------------------------------------------------
;-----------------------------------------------------------------;
; ;
; checksum_1: Calculate semi-checksum for network packets. ;
; ;
; IN: edx = start offset for semi-checksum ;
; esi = pointer to data ;
; ecx = data size ;
; ;
; OUT: edx = semi-checksum ;
; ;
;-----------------------------------------------------------------;
align 4
checksum_1:
@@ -679,16 +671,15 @@ checksum_1:
.end:
ret
;-----------------------------------------------------------------
;
; checksum_2
;
; This function calculates the final ip/tcp/udp checksum for you
;
; IN: edx = semi-checksum
; OUT: dx = checksum (in INET byte order)
;
;-----------------------------------------------------------------
;-----------------------------------------------------------------;
; ;
; checksum_2: Calculate the final ip/tcp/udp checksum. ;
; ;
; IN: edx = semi-checksum ;
; ;
; OUT: dx = checksum (in INET byte order) ;
; ;
;-----------------------------------------------------------------;
align 4
checksum_2:
@@ -713,11 +704,11 @@ checksum_2:
;----------------------------------------------------------------
;
; System function to work with network devices (74)
;
;----------------------------------------------------------------
;-----------------------------------------------------------------;
; ;
; System function 74: Low level access to network devices. ;
; ;
;-----------------------------------------------------------------;
align 4
sys_network:
@@ -736,7 +727,7 @@ sys_network:
and esi, 0x0000ff00
shr esi, 6
cmp dword [esi + NET_DRV_LIST], 0 ; check if driver is running
cmp dword[esi + NET_DRV_LIST], 0 ; check if driver is running
je .doesnt_exist
mov eax, [esi + NET_DRV_LIST]
@@ -809,16 +800,16 @@ sys_network:
ret
.bytes_tx:
mov ebx, dword [eax + NET_DEVICE.bytes_tx + 4]
mov ebx, dword[eax + NET_DEVICE.bytes_tx + 4]
mov [esp+20], ebx
mov eax, dword [eax + NET_DEVICE.bytes_tx]
mov eax, dword[eax + NET_DEVICE.bytes_tx]
mov [esp+32], eax
ret
.bytes_rx:
mov ebx, dword [eax + NET_DEVICE.bytes_rx + 4]
mov ebx, dword[eax + NET_DEVICE.bytes_rx + 4]
mov [esp+20], ebx
mov eax, dword [eax + NET_DEVICE.bytes_rx]
mov eax, dword[eax + NET_DEVICE.bytes_rx]
mov [esp+32], eax
ret
@@ -834,11 +825,11 @@ sys_network:
;----------------------------------------------------------------
;
; System function to work with protocols (76)
;
;----------------------------------------------------------------
;-----------------------------------------------------------------;
; ;
; System function 76: Low level access to protocol handlers. ;
; ;
;-----------------------------------------------------------------;
align 4
sys_protocols:
cmp bh, NET_DEVICES_MAX ; Check if device number exists
@@ -856,28 +847,28 @@ sys_protocols:
shr eax, 16 ;
cmp ax, API_ETH
je ETH_api
je eth_api
cmp ax, API_IPv4
je IPv4_api
je ipv4_api
cmp ax, API_ICMP
je ICMP_api
je icmp_api
cmp ax, API_UDP
je UDP_api
je udp_api
cmp ax, API_TCP
je TCP_api
je tcp_api
cmp ax, API_ARP
je ARP_api
je arp_api
cmp ax, API_PPPOE
je PPPoE_api
je pppoe_api
cmp ax, API_IPv6
je IPv6_api
je ipv6_api
add esp, 4 ; if we reached here, no function was called, so we need to balance stack